Is it necessary to do two Tawaafs, one for the child and one for the person who is carrying him, or is one Tawaaf sufficient for both?

No File Exists
Check below answers in case you are looking for other related questions:
It is not valid to change the intention from tamattu’ to ifraad
He intended to do tamattu’ and he did ‘Umrah, but then he left and did not do Hajj

No File Exists
Related Answers:
She entered ihraam for ‘umrah but was afraid of the locusts in the haram so she did not complete it
He got sick on the day of Eid; should he delegate someone to stone the Jamrah on his behalf, or should he delay stoning the Jamaraat until the last of the days of at-tashreeq?
He did ‘umrah as part of Hajj tamattu‘, then he went out of Makkah; does he have to come back in ihraam for Hajj?
It is not valid to change the intention from tamattu’ to ifraad
He intended to do tamattu’ and he did ‘Umrah, but then he left and did not do Hajj

Recommended answers for you:
Hanging pictures of people in the house
Who are the mahrams in front of whom a woman can uncover?
The virtues of ruqyah and du’aa’s to be recited therein
What are the limits within which parents may interfere in their son’s marriage? Is he sinning if he goes against their wishes?
Ruling on making up missed prayers